

| Model | Cylinder number and arrangement | Displacement (cc) | Rated output (hp at rpm)[1] | Top speed (km/h) |
|---|---|---|---|---|
| SLK 200 BlueEFFICIENCY | L4 | 1796 | 184/5250 | 237 |
| SLK 250 BlueEFFICIENCY | L4 | 1796 | 204/5500 | 243 |
| SLK 350 BlueEFFICIENCY | V6 | 3498 | 306/6500 | 250 |
[1] Figures for rated output and rated torque in accordance with Directive 80/1269/EEC in the currently applicable version.